helgrind/tests/hg05_race2.c

   1 /* A simple race - test symaddr */
   2
   3 #include <pthread.h>
   4 #include <unistd.h>
   5
   6 struct foo {
   7         struct bar {
   8                 int plop[22];
   9                 char biff;
  10         } poot[11];
  11 };
  12
  13 static void *th(void *v)
  14 {
  15         struct foo *f = (struct foo *)v;
  16
  17         f->poot[5].plop[11]++;
  18
  19         return 0;
  20 }
  21
  22 int main()
  23 {
  24         struct foo foo;
  25         pthread_t a, b;
  26
  27         pthread_create(&a, NULL, th, &foo);
  28         sleep(1);               /* force ordering */
  29         pthread_create(&b, NULL, th, &foo);
  30
  31         pthread_join(a, NULL);
  32         pthread_join(b, NULL);
  33
  34         return 0;
  35 }